The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2008
Filed:
Dec. 27, 2004
Timothy W. Patterson, Jr., East Hartford, CT (US);
Michael L. Perry, South Glastonbury, CT (US);
Tommy Skiba, East Hartford, CT (US);
Ping Yu, West Hardford, CT (US);
Thomas D. Jarvi, Manchester, CT (US);
James A. Leistra, Penfield, NY (US);
Hiroshi Chizawa, Yokohama, JP;
Tsutomu Aoki, Kawasaki, JP;
Timothy W. Patterson, Jr., East Hartford, CT (US);
Michael L. Perry, South Glastonbury, CT (US);
Tommy Skiba, East Hartford, CT (US);
Ping Yu, West Hardford, CT (US);
Thomas D. Jarvi, Manchester, CT (US);
James A. Leistra, Penfield, NY (US);
Hiroshi Chizawa, Yokohama, JP;
Tsutomu Aoki, Kawasaki, JP;
UTC Fuel Cells, LLC, South Windsor, CT (US);
Abstract
A decontamination procedure for a fuel cell power plant () includes operating the plant to produce electrical power for an operating period, and then terminating operation of the plant () for a decontamination period, and then, whenever optimal electrical production of a plant fuel cell () is reduced by at least 5% by contaminants adsorbed by fuel cell electrodes (), decontaminating the fuel cell () of the plant () during the decontamination period by oxidizing contaminants adsorbed by electrodes () of the fuel cell. Oxidizing the contaminants may be accomplished by various steps including exposing the electrodes () to flowing oxygen; to heated flowing oxygen; to a sequence of start-stop cycles; and, to varying controlled potentials.